Sandvik Kanthal APM Seamless tube and pipe

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Sandvik Kanthal APM Seamless tube and pipe
Categories:	Metal; Superalloy; Iron Base
Material Notes:	KANTHAL APM is an advanced powder metallurgical, dispersion strengthened, ferritic FeCrAl alloy which is used at tube temperatures up to 1250°C (2280°F). KANTHAL APM tubes have good form stability at high temperature. KANTHAL APM forms an excellent, non-scaling surface oxide, which gives good protection in most furnace environments, i.e. oxidizing, sulphurous and carbonaceous gas, as well as against deposits of carbon, ash, etc. The combination of excellent oxidation properties and formstability makes the alloy unique. Typical applications for KANTHAL APM are as radiant tubes in electrically or gas fired furnaces such as continuous galvanizing furnaces, seal quench furnaces, holding furnaces and dosing furnaces in the aluminium, zinc, lead industries, thermocouple protection tubes, furnace muffles for sintering applications. Information provided by Sandvik
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Physical Properties	Original Value	Comments

Density	7.10 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Vickers	225
Tensile Strength, Ultimate	687 MPa
Tensile Strength, Yield	475 MPa
Elongation at Break	11.3 %
Creep Strength	0.700 MPa @Temperature 1200 °C	s-1: 1.0e-10
	0.800 MPa @Temperature 1200 °C	s-1: 1.0e-8
	0.900 MPa @Temperature 1100 °C	s-1: 1.0e-10
	1.10 MPa @Temperature 1100 °C	s-1: 1.0e-8
	1.50 MPa @Temperature 1000 °C	s-1: 1.0e-10
	1.90 MPa @Temperature 1200 °C	s-1: 1.0e-6
	3.10 MPa @Temperature 1100 °C	s-1: 1.0e-6
	3.10 MPa @Temperature 1000 °C	s-1: 1.0e-8
	4.00 MPa @Temperature 900 °C	s-1: 1.0e-10
	6.00 MPa @Temperature 1200 °C	s-1: 1.0e-4
	6.70 MPa @Temperature 1000 °C	s-1: 1.0e-6
	6.80 MPa @Temperature 900 °C	s-1: 1.0e-8
	11.0 MPa @Temperature 900 °C	s-1: 1.0e-6
	11.0 MPa @Temperature 1100 °C	s-1: 1.0e-4
	13.0 MPa @Temperature 1000 °C	s-1: 1.0e-4
	20.0 MPa @Temperature 900 °C	s-1: 1.0e-4
	0.300 MPa @Temperature 1200 °C, Time 3.60e+6 sec	1% elongation
	0.700 MPa @Temperature 1100 °C, Time 3.60e+6 sec	1% elongation
	2.00 MPa @Temperature 1000 °C, Time 3.60e+6 sec	1% elongation
	5.90 MPa @Temperature 900 °C, Time 3.60e+6 sec	1% elongation
Rupture Strength	0.500 MPa @Temperature 1200 °C, Time 3.60e+7 sec
	2.00 MPa @Temperature 1200 °C, Time 360000 sec
	4.50 MPa @Temperature 900 °C, Time 3.60e+7 sec
	10.0 MPa @Temperature 900 °C, Time 360000 sec
Modulus of Elasticity	220 GPa
	130 GPa @Temperature 1000 °C
	150 GPa @Temperature 800 °C
	170 GPa @Temperature 600 °C
	190 GPa @Temperature 400 °C
	205 GPa @Temperature 200 °C
	210 GPa @Temperature 100 °C
Poissons Ratio	0.30
Shear Modulus	85.0 GPa	calculated

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.000145 ohm-cm
	0.000145 ohm-cm @Temperature 100 °C
	0.000145 ohm-cm @Temperature 200 °C
	0.000145 ohm-cm @Temperature 300 °C
	0.000145 ohm-cm @Temperature 400 °C
	0.000146 ohm-cm @Temperature 500 °C
	0.000148 ohm-cm @Temperature 600 °C
	0.000148 ohm-cm @Temperature 700 °C
	0.000149 ohm-cm @Temperature 800 °C
	0.000149 ohm-cm @Temperature 900 °C
	0.000150 ohm-cm @Temperature 1000 °C
	0.000150 ohm-cm @Temperature 1100 °C
	0.000150 ohm-cm @Temperature 1200 °C
	0.000150 ohm-cm @Temperature 1300 °C
	0.000152 ohm-cm @Temperature 1400 °C
Curie Temperature	600 °C

Thermal Properties	Original Value	Comments
CTE, linear	11.0 µm/m-°C @Temperature 20.0 - 250 °C
	12.0 µm/m-°C @Temperature 20.0 - 500 °C
	14.0 µm/m-°C @Temperature 20.0 - 750 °C
	15.0 µm/m-°C @Temperature 20.0 - 1000 °C
	16.0 µm/m-°C @Temperature 20.0 - 1200 °C
	16.0 µm/m-°C @Temperature 20.0 - 1400 °C
Specific Heat Capacity	0.460 J/g-°C @Temperature 20.0 °C
	0.560 J/g-°C @Temperature 200 °C
	0.630 J/g-°C @Temperature 400 °C
	0.710 J/g-°C @Temperature 800 °C
	0.720 J/g-°C @Temperature 1000 °C
	0.740 J/g-°C @Temperature 1200 °C
	0.750 J/g-°C @Temperature 600 °C
	0.800 J/g-°C @Temperature 1400 °C
Thermal Conductivity	11.0 W/m-K @Temperature 50.0 °C
	20.0 W/m-K @Temperature 600 °C
	22.0 W/m-K @Temperature 800 °C
	26.0 W/m-K @Temperature 1000 °C
	27.0 W/m-K @Temperature 1200 °C
	35.0 W/m-K @Temperature 1400 °C
Melting Point	1500 °C
Maximum Service Temperature, Air	1250 °C

Optical Properties	Original Value	Comments
Emissivity (0-1)	0.70	fully oxidized

Component Elements Properties	Original Value	Comments
Aluminum, Al	5.8 %
Carbon, C	<= 0.080 %
Chromium, Cr	20.5 - 23.5 %
Iron, Fe	>= 69.52 %
Manganese, Mn	<= 0.40 %
Silicon, Si	<= 0.70 %

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NSANDV092 / 18986

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